CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Current Assets:
Cash and cash equivalents	$ 53,906	$ 62,123
Accounts receivable - less allowance for doubtful accounts of $977 and $941 at March 31, 2014 and December 31, 2013, respectively	57,363	63,849
Inventories	67,976	70,019
Prepaid expenses and other current assets	4,072	3,519
Refundable income taxes	2,270	1,650
Deferred income taxes	2,518	2,995
Total Current Assets	188,105	204,155
Property, plant and equipment - net	39,344	40,896
Deferred income taxes	1,990	1,680
Intangible assets - net	28,987	29,472
Goodwill	18,641	18,490
Other assets	13,837	13,448
TOTAL ASSETS	290,904	308,141
Current Liabilities:
Accounts payable	23,192	29,518
Accrued expenses	16,521	22,442
Short-term borrowings under revolving credit line	4,000	12,000
Notes payable	688	739
Income taxes payable	1,445	1,496
Dividends payable	815	786
Total Current Liabilities	46,661	66,981
Long-term Liabilities:
Liability for uncertain tax positions	1,527	1,218
Minimum pension obligation and unfunded pension liability	11,103	10,830
Other long-term liabilities	417	410
Total Long-term Liabilities	13,047	12,458
Total Liabilities	59,708	79,439
Commitments and Contingencies
Stockholders' Equity:
Preferred stock, no par value, 1,000,000 shares authorized; none issued	0	0
Additional paid-in capital	19,460	18,914
Retained earnings	209,712	207,993
Accumulated other comprehensive loss	874	645
Total Stockholders' Equity	231,196	228,702
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	290,904	308,141
Class A [Member]
Stockholders' Equity:
Common Stock	217	217
Class B [Member]
Stockholders' Equity:
Common Stock	$ 933	$ 933